13340213 has 2 divisors, whose sum is σ = 13340214. Its totient is φ = 13340212.

The previous prime is 13340209. The next prime is 13340221. The reversal of 13340213 is 31204331.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8773444 + 4566769 = 2962^2 + 2137^2 .

It is a cyclic number.

It is not a de Polignac number, because 13340213 - 2² = 13340209 is a prime.

It is a super-2 number, since 2×13340213² = 355922565770738, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13340191 and 13340200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13340233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6670106 + 6670107.

It is an arithmetic number, because the mean of its divisors is an integer number (6670107).

Almost surely, 2^13340213 is an apocalyptic number.

It is an amenable number.

13340213 is a deficient number, since it is larger than the sum of its proper divisors (1).

13340213 is an equidigital number, since it uses as much as digits as its factorization.

13340213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 13340213 is about 3652.4256323709. The cubic root of 13340213 is about 237.1669970207.

Adding to 13340213 its reverse (31204331), we get a palindrome (44544544).

The spelling of 13340213 in words is "thirteen million, three hundred forty thousand, two hundred thirteen".